National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Regional Weather Roundup
Issued by NWS

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705
ASUS43 KLOT 230810
RWRIL

ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
200 AM CST SUN NOV 23 2025

NOTE: "FAIR" INDICATES FEW OR NO CLOUDS BELOW 12,000 FEET WITH NO
SIGNIFICANT WEATHER AND/OR OBSTRUCTIONS TO VISIBILITY.

* THESE STATIONS ARE NOT UNDER NWS QUALITY CONTROL. THEY ALSO MAY NOT
  REPORT WEATHER SUCH AS PRECIPITATION OR FOG.

ILZ001-002-007-009-015-016-024-230900-
NORTHWEST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
MOLINE         CLEAR     41  39  93 W6        30.10R TC   5
STERLING*      CLEAR     35  35 100 W7        30.09R WCI  29 TC   2
$$

ILZ003-004-008-010-011-017-018-230900-
NORTH CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ROCKFORD       CLEAR     40  36  86 NW8       30.08R TC   4
DE KALB*       CLEAR     40  38  92 W9        30.06R TC   4
PERU*          CLEAR     41  39  93 W7        30.08R TC   5
$$

ILZ005-006-012>014-019>023-230900-
NORTHEAST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHICAGO-OHARE  PTCLDY    41  37  86 W8        30.03R TC   5
CHICAGO-MIDWAY CLEAR     43  39  86 W9        30.04R TC   6
AURORA         CLEAR     35  35 100 NW6       30.06R FOG     WCI  30
JOLIET*        CLEAR     41  40  96 CALM      30.07R TC   5
WAUKEGAN       PTCLDY    41  37  86 W7        30.02R TC   5
DUPAGE AIRPORT CLEAR     40  38  93 W9        30.04R TC   4
WHEELING       CLEAR     42  38  85 W5        30.05R TC   6
MORRIS*        CLEAR     39  39 100 NW10      30.06R WCI  32 TC   4
ROMEOVILLE*    CLEAR     39  39 100 W6        30.06R WCI  35 TC   4
LANSING*       CLEAR     40  34  80 W5        30.04S TC   5
NORTHERLY ISL*   N/A     45  38  76 W12         N/A  TC   7
$$

LMZ740>746-230900-
SOUTHERN LAKE MICHIGAN

STATION/POSITION SKY/WX   TEMP    WIND        PRES    VSBY  WAVE
                          AIR SEA DIR/SP/G                  HT/PER
                          (F)     (DEG/KT/KT) (MB)    (MI)  (FT/S)
S. MID LAKE BUOY           48 50  290/ 16/ 19 1015.7R
WINTHROP HARBOR            44 47  220/ 10/ 14   N/A           1
WAUKEGAN HARBOR            44 47  240/  8/ 12   N/A           0
HARRISON CRIB              46     280/ 16/ 19   N/A
NORTHERLY ISL              45     270/  9/ 13   N/A
CALUMET HARBOR             44     240/  5/  7 1016.5
BURNS HARBOR               47     290/  8/  9 1017.3R
MICHIGAN CITY              49     280/ 17/ 20 1015.6R
$$

ILZ025>027-034>036-040-047-049-050-058-095>099-230900-
WEST-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
QUINCY         CLOUDY    45  45 100 W7        30.14R FOG     TC   7
GALESBURG*     CLEAR    N/A N/A N/A W5        30.12S
MACOMB*        CLEAR     41  41 100 W9        30.15R FOG     TC   5
JACKSONVILLE*  PTCLDY    44  43  98 W6        30.14R TC   7
PITTSFIELD*    CLOUDY    46  46  99 W8        30.16R TC   8
$$

ILZ028>032-037-038-041>044-048-051>054-059>061-230900-
CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
PONTIAC        CLEAR     40  39  95 W7        30.08R FOG     TC   5
BLOOMINGTON    CLEAR     41  41 100 W10       30.10R TC   5
DECATUR        CLEAR     44  42  93 W9        30.11R TC   7
PEORIA         CLEAR     43  41  93 W5        30.11R TC   6
LACON*         CLEAR     41  37  84 CALM      30.09R TC   5
LINCOLN*       CLEAR     44  44 100 W3        30.11R TC   7
SPRINGFIELD    CLEAR     43  41  93 W10       30.12R TC   6
TAYLORVILLE    CLEAR     43  41  93 MISG      30.13R TC   6
$$

ILZ033-039-045-046-055>057-062-063-230900-
EAST-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHAMPAIGN      CLEAR     38  37  97 W8        30.10R FOG     WCI  32
RANTOUL*       CLEAR     41  39  93 W8        30.09R FOG     TC   5
MATTOON        CLEAR     44  41  89 W8        30.10R TC   7
PARIS*         CLEAR     41  39  92 W8        30.10R TC   5
$$

ILZ079-100>102-230900-
SOUTHWEST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ALTON          CLOUDY    47  46  95 W12       30.16R FOG     TC   8
BELLEVILLE     CLOUDY    47  45  95 W8        30.14  TC   8
CAHOKIA*       CLOUDY    48  46  93 W5        30.16S TC   9
SPARTA*        PTCLDY    44  44 100 W8        30.18S TC   7
$$

ILZ064>066-069>071-074>076-080>082-084>086-088>090-092>094-230900-
SOUTH-CENTRAL ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CARBONDALE     PTCLDY    43  43 100 W6        30.17F FOG     TC   6
CAIRO*         CLOUDY    44  44  99 W3        30.19R VSB<1/4 TC   7
EFFINGHAM*     CLEAR     43  43  99 SW5       30.14R TC   6
MT. VERNON     CLEAR    N/A N/A N/A CALM      30.17R HAZE
CENTRALIA*       N/A    N/A N/A N/A MISG        N/A
SALEM*         CLEAR     45  44  93 SW8       30.15S FOG     TC   7
METROPOLIS*    FOG       42  41  97 CALM      30.18S VSB<1/4 TC   6
$$

ILZ067-068-072-073-078-083-087-091-230900-
SOUTHEAST ILLINOIS

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
LAWRENCEVILLE  CLEAR     37  36  96 S7        30.13S WCI  32 TC   3
FLORA*         CLEAR     45  45 100 W6        30.14S FOG     TC   7
FAIRFIELD*     CLEAR     38  38  97 CALM      30.16R TC   4
HARRISBURG*    CLEAR     37  36  95 CALM      30.17S FOG     TC   3
ROBINSON*      CLEAR     43  41  93 W12       30.11S TC   6
$$

ABBREVIATIONS USED IN REMARKS
   TC - TEMPERATURE IN CELSIUS
  WCI - WIND CHILL INDEX
   HX - HEAT INDEX
  VSB - VISIBILITY
$$